Add longest common subsequence algorithm #1059
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Fixes #211 Add the longest common subsequence algorithm to the `pythainlp.util` module. * Create a new file `pythainlp/util/lcs.py` to implement the longest common subsequence algorithm. * Define a function `longest_common_subsequence` that takes two strings as input and returns their longest common subsequence. * Update `pythainlp/util/__init__.py` to import the `longest_common_subsequence` function from `pythainlp.util.lcs` and add it to the `__all__` list. * Add unit tests for the `longest_common_subsequence` function in `tests/core/test_util.py` to ensure the correctness of the implementation. --- For more details, open the [Copilot Workspace session](https://copilot-workspace.githubnext.com/PyThaiNLP/pythainlp/issues/211?shareId=XXXX-XXXX-XXXX-XXXX).
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Fixes #211
Add the longest common subsequence algorithm to the
pythainlp.utilmodule.pythainlp/util/lcs.pyto implement the longest common subsequence algorithm.longest_common_subsequencethat takes two strings as input and returns their longest common subsequence.pythainlp/util/__init__.pyto import thelongest_common_subsequencefunction frompythainlp.util.lcsand add it to the__all__list.longest_common_subsequencefunction intests/core/test_util.pyto ensure the correctness of the implementation.For more details, open the Copilot Workspace session.